15906be4d9
Keep a list of GimpCellRendererViewable around and add API to add them. When items are removed or the store is cleared, set the renderers' "viewable" property to NULL so they don't keep refing the viewable. This is not really "model" code but needs to be done for all container views that have viewable cell renderers. GimpContainerComboBox and GimpContainerEntry lacked that clearing, so this change might fix some cases where objects (even images) were removed but still stuck in memory until the model changed again.
401 lines
14 KiB
C
401 lines
14 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpcontainercombobox.c
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* Copyright (C) 2003 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gtk/gtk.h>
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#include "widgets-types.h"
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#include "core/gimpcontainer.h"
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#include "core/gimpcontext.h"
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#include "core/gimpviewable.h"
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#include "gimpcellrendererviewable.h"
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#include "gimpcontainercombobox.h"
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#include "gimpcontainertreestore.h"
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#include "gimpcontainerview.h"
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#include "gimpviewrenderer.h"
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enum
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{
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PROP_0,
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PROP_ELLIPSIZE = GIMP_CONTAINER_VIEW_PROP_LAST + 1
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};
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static void gimp_container_combo_box_view_iface_init (GimpContainerViewInterface *iface);
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static void gimp_container_combo_box_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_container_combo_box_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void gimp_container_combo_box_set_context (GimpContainerView *view,
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GimpContext *context);
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static gpointer gimp_container_combo_box_insert_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer parent_insert_data,
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gint index);
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static void gimp_container_combo_box_remove_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer insert_data);
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static void gimp_container_combo_box_reorder_item (GimpContainerView *view,
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GimpViewable *viewable,
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gint new_index,
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gpointer insert_data);
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static void gimp_container_combo_box_rename_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer insert_data);
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static gboolean gimp_container_combo_box_select_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer insert_data);
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static void gimp_container_combo_box_clear_items (GimpContainerView *view);
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static void gimp_container_combo_box_set_view_size (GimpContainerView *view);
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static void gimp_container_combo_box_changed (GtkComboBox *combo_box,
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GimpContainerView *view);
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G_DEFINE_TYPE_WITH_CODE (GimpContainerComboBox, gimp_container_combo_box,
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GTK_TYPE_COMBO_BOX,
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G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
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gimp_container_combo_box_view_iface_init))
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#define parent_class gimp_container_combo_box_parent_class
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static GimpContainerViewInterface *parent_view_iface = NULL;
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static void
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gimp_container_combo_box_class_init (GimpContainerComboBoxClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->set_property = gimp_container_combo_box_set_property;
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object_class->get_property = gimp_container_combo_box_get_property;
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gimp_container_view_install_properties (object_class);
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g_object_class_install_property (object_class,
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PROP_ELLIPSIZE,
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g_param_spec_enum ("ellipsize", NULL, NULL,
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PANGO_TYPE_ELLIPSIZE_MODE,
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PANGO_ELLIPSIZE_MIDDLE,
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GIMP_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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}
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static void
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gimp_container_combo_box_view_iface_init (GimpContainerViewInterface *iface)
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{
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parent_view_iface = g_type_interface_peek_parent (iface);
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if (! parent_view_iface)
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parent_view_iface = g_type_default_interface_peek (GIMP_TYPE_CONTAINER_VIEW);
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iface->set_context = gimp_container_combo_box_set_context;
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iface->insert_item = gimp_container_combo_box_insert_item;
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iface->remove_item = gimp_container_combo_box_remove_item;
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iface->reorder_item = gimp_container_combo_box_reorder_item;
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iface->rename_item = gimp_container_combo_box_rename_item;
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iface->select_item = gimp_container_combo_box_select_item;
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iface->clear_items = gimp_container_combo_box_clear_items;
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iface->set_view_size = gimp_container_combo_box_set_view_size;
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iface->insert_data_free = (GDestroyNotify) gtk_tree_iter_free;
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}
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static void
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gimp_container_combo_box_init (GimpContainerComboBox *combo)
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{
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GtkTreeModel *model;
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GtkCellLayout *layout;
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GtkCellRenderer *cell;
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GType types[GIMP_CONTAINER_TREE_STORE_N_COLUMNS];
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gint n_types = 0;
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gimp_container_tree_store_columns_init (types, &n_types);
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model = gimp_container_tree_store_new (GIMP_CONTAINER_VIEW (combo),
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n_types, types);
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gtk_combo_box_set_model (GTK_COMBO_BOX (combo), model);
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g_object_unref (model);
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layout = GTK_CELL_LAYOUT (combo);
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cell = gimp_cell_renderer_viewable_new ();
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gtk_cell_layout_pack_start (layout, cell, FALSE);
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gtk_cell_layout_set_attributes (layout, cell,
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"renderer",
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GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER,
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NULL);
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gimp_container_tree_store_add_renderer_cell (GIMP_CONTAINER_TREE_STORE (model),
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cell);
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combo->viewable_renderer = cell;
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cell = gtk_cell_renderer_text_new ();
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gtk_cell_layout_pack_start (layout, cell, TRUE);
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gtk_cell_layout_set_attributes (layout, cell,
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"text",
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GIMP_CONTAINER_TREE_STORE_COLUMN_NAME,
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NULL);
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combo->text_renderer = cell;
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g_signal_connect (combo, "changed",
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G_CALLBACK (gimp_container_combo_box_changed),
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combo);
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gtk_widget_set_sensitive (GTK_WIDGET (combo), FALSE);
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}
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static void
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gimp_container_combo_box_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpContainerComboBox *combo = GIMP_CONTAINER_COMBO_BOX (object);
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switch (property_id)
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{
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case PROP_ELLIPSIZE:
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g_object_set_property (G_OBJECT (combo->text_renderer),
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pspec->name, value);
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break;
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default:
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gimp_container_view_set_property (object, property_id, value, pspec);
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break;
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}
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}
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static void
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gimp_container_combo_box_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpContainerComboBox *combo = GIMP_CONTAINER_COMBO_BOX (object);
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switch (property_id)
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{
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case PROP_ELLIPSIZE:
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g_object_get_property (G_OBJECT (combo->text_renderer),
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pspec->name, value);
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break;
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default:
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gimp_container_view_get_property (object, property_id, value, pspec);
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break;
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}
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}
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GtkWidget *
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gimp_container_combo_box_new (GimpContainer *container,
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GimpContext *context,
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gint view_size,
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gint view_border_width)
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{
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GtkWidget *combo_box;
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GimpContainerView *view;
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g_return_val_if_fail (container == NULL || GIMP_IS_CONTAINER (container),
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NULL);
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g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), NULL);
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combo_box = g_object_new (GIMP_TYPE_CONTAINER_COMBO_BOX, NULL);
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view = GIMP_CONTAINER_VIEW (combo_box);
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gimp_container_view_set_view_size (view, view_size, view_border_width);
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if (container)
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gimp_container_view_set_container (view, container);
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if (context)
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gimp_container_view_set_context (view, context);
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return combo_box;
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}
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/* GimpContainerView methods */
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static void
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gimp_container_combo_box_set_context (GimpContainerView *view,
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GimpContext *context)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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parent_view_iface->set_context (view, context);
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if (model)
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gimp_container_tree_store_set_context (GIMP_CONTAINER_TREE_STORE (model),
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context);
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}
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static gpointer
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gimp_container_combo_box_insert_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer parent_insert_data,
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gint index)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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GtkTreeIter *iter;
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iter = gimp_container_tree_store_insert_item (GIMP_CONTAINER_TREE_STORE (model),
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viewable,
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parent_insert_data,
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index);
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if (gtk_tree_model_iter_n_children (model, NULL) == 1)
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{
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/* GimpContainerViews don't select items by default */
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gtk_combo_box_set_active (GTK_COMBO_BOX (view), -1);
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gtk_widget_set_sensitive (GTK_WIDGET (view), TRUE);
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}
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return iter;
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}
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static void
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gimp_container_combo_box_remove_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer insert_data)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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GtkTreeIter *iter = insert_data;
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gimp_container_tree_store_remove_item (GIMP_CONTAINER_TREE_STORE (model),
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viewable,
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iter);
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if (iter && gtk_tree_model_iter_n_children (model, NULL) == 0)
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{
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gtk_widget_set_sensitive (GTK_WIDGET (view), FALSE);
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}
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}
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static void
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gimp_container_combo_box_reorder_item (GimpContainerView *view,
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GimpViewable *viewable,
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gint new_index,
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gpointer insert_data)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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gimp_container_tree_store_reorder_item (GIMP_CONTAINER_TREE_STORE (model),
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viewable,
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new_index,
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insert_data);
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}
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static void
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gimp_container_combo_box_rename_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer insert_data)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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gimp_container_tree_store_rename_item (GIMP_CONTAINER_TREE_STORE (model),
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viewable,
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insert_data);
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}
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static gboolean
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gimp_container_combo_box_select_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer insert_data)
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{
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GtkComboBox *combo_box = GTK_COMBO_BOX (view);
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GtkTreeIter *iter = insert_data;
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g_signal_handlers_block_by_func (combo_box,
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gimp_container_combo_box_changed,
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view);
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if (iter)
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{
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gtk_combo_box_set_active_iter (combo_box, iter);
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}
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else
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{
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gtk_combo_box_set_active (combo_box, -1);
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}
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g_signal_handlers_unblock_by_func (combo_box,
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gimp_container_combo_box_changed,
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view);
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return TRUE;
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}
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static void
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gimp_container_combo_box_clear_items (GimpContainerView *view)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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gimp_container_tree_store_clear_items (GIMP_CONTAINER_TREE_STORE (model));
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gtk_widget_set_sensitive (GTK_WIDGET (view), FALSE);
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parent_view_iface->clear_items (view);
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}
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static void
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gimp_container_combo_box_set_view_size (GimpContainerView *view)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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gimp_container_tree_store_set_view_size (GIMP_CONTAINER_TREE_STORE (model));
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}
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static void
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gimp_container_combo_box_changed (GtkComboBox *combo,
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GimpContainerView *view)
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{
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GtkTreeIter iter;
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if (gtk_combo_box_get_active_iter (combo, &iter))
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{
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GimpViewRenderer *renderer;
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gtk_tree_model_get (gtk_combo_box_get_model (combo), &iter,
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GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
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-1);
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gimp_container_view_item_selected (view, renderer->viewable);
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g_object_unref (renderer);
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}
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}
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